BA/BS4S Temperature Sensor Installation & Operating Instructions

Transcription

1 Product Overview and Identification The BAPI-Stat 4 room temperature sensor features a large format LCD and slider setpoint adjustment. Additional options include button override and communication jack. The setpoint is available as a resistance or voltage output. The override is a momentary closure signal that can be configured in parallel with the sensor or setpoint, or as a separate momentary or latching contact output. A 3.5mm (1/8 ), RJ11 or RJ22 communication jack can also be mounted in the unit s base to provide direct access to the network. Fig 1. BAPI-Stat 4S with slider setpoint adjustment and optional and override button. Mounting JUNCTION BOX 1. Pull the wire through the wall and out of the junction box, leaving about six inches free. 2. Pull the wire through the hole in the base plate. 3. Secure the base to the box using the #6-32 x 1/2 inch mounting screw provided. 4. Terminate the unit according to the guidelines in the Termination section. 5. Attach Cover by latching it to the top of the base, rotating the cover down and snapping it into place. 6. Secure the cover by backing out the lock-down screws using a 1/16 Allen wrench until they are flush with the bottom of the cover. DRYWALL MOUNTING 1. Place the base plate against the wall where you want to mount the sensor. 2. Using a pencil, mark out the two mounting holes and the area where the wires will come through the wall. 3. Drill two 3/16 holes in the center of each marked mounting hole. Insert a drywall anchor into each hole. Fig. 2: Mounting hardware is provided for 4. Drill one 1/2 hole in the middle of the marked wiring area. both junction box and drywall installation (junction box installation shown). 5. Pull the wire through the wall and out of the 1/2 hole, leaving about six inches free. 6. Pull the wire through the hole in the base plate. 7. Secure the base to the drywall anchors using the #6 x 1 inch mounting screws provided. 8. Terminate the unit according to the guidelines in the Termination section. 9. Attach Cover by latching it to the top of the base, rotating the cover down and snapping it into place. 10. Secure the cover by backing out the lock-down screws using a 1/16 Allen wrench until they are flush with the bottom of the cover. NOTE: In a wall-mount application, the mixing of room air and air from within the wall cavity can lead to erroneous readings, condensation, and premature failure of the sensor. To prevent this condition, plug the conduit hole with insulation in the junction box. 1 of 6

2 Termination BAPI recommends using twisted pair of at least 22AWG and sealant filled connectors for all wire connections. Larger gauge wire may be required for long runs. All wiring must comply with the National Electric Code (NEC) and local codes. Do NOT run this device s wiring in the same conduit as AC power wiring. BAPI s tests show that fluctuating and inaccurate signal levels are possible when AC power wiring is present in the same conduit as the signal lines. Fig. 3 BAPI-Stat 4 Circuit Board Terminal GND Description Power Supply Ground (Common to the controller) V+ Power Supply Hot (See specifications for voltage details) FAN EXT OVR SEN1 & SEN2 Not Used BAPI-Man Occ/Un-Occ indicator Input. Ground terminal to fill in the BAPI-Man icon for Occupied. Sensor output per order (resistive). No polarity. *If the unit is a common ground configuration ( CG), see Grounding Note below. SET1 & SET2 A) Setpoint output per order (resistive). No polarity. *If the unit is a common ground configuration ( CG), see Grounding Note below. OVR1 & OVR2 B) Setpoint output per order (voltage). SET1 is +, SET2 is -. *If the unit is a common ground configuration ( CG), see Grounding Note below. Override output (Dry contact) The contact can be ordered as a momentary shunt across the sensor (-N) or as a momentary shunt across the setpoint (-P) or as a separate momentary contact (-J) or as a separate latching contact (-L#). *If the unit is a common ground configuration ( CG), see Grounding Note below. RSEN1 & RSEN2 Remote sensor option (-ES). No polarity. *If the unit is a common ground configuration ( CG), see Grounding Note below. A 10K-2 thermistor sensor must be ordered separately and the temperature value is displayed on the LCD. Note: If a temperature reading is needed at the controller, then a second sensor must be ordered and wired independently. *Grounding Note: Common Ground (-CG) or Differential Ground (-DF) configurations are selected per order. The Differential Ground configuration (-DF) indicates that SEN2, SET2, OVR2 and RSEN2 must all be wired separately (No internal common connection). The Common Ground configuration (-CG) indicates that SEN2, SET2, OVR2 and RSEN2 are connected to GND internally (All internally common). This is true of all Common Ground units except when ordered with the Override as a Latching Switch option (-L#). In this case, OVR2 is isolated and not internally connected to SEN2, SET2 and RSEN2. Optional Communication Jack Wiring Fig. 5: C35L Comm Jack Note: Male jack shown for clarity C11L/ C22L C35L C11L/C22L Wiring Comm Jack Pin Wire Color Fig. 4: Back Plate Fig. 6: C11L/C22L Comm Jack Green 2 of 6

3 Optional Test and Balance Switch (-TB) Optional Test and Balance Switch Low: Will set the sensor value low Norm: Thermistor/RTD will operate normally High: Will set the sensor value high Consult Factory for Additional Details Sensor Type Low Temp (40º F) High Temp (105º F) Resistance Value Resistance Value 1000Ω RTD 1.02KΩ (41.2º F) 1.15KΩ (101.5º F) 3000Ω Thermistor 7.87KΩ (39.8º F) 1.5KΩ (106.8º F) 10K-2 Thermistor 30.1KΩ (34.9º F) 4.75Ω (109.1º F) 10K-3 Thermistor 26.7KΩ (35.9º F) 5.11KΩ (108.4º F) 10K-3(11K) Thermistor 7.32KΩ (43.7º F) 3.65Ω (105.2º F) Display, Setpoint and Override Descriptions BAPI-Stat 4S sensor comes with a display and slider setpoint adjustment. An optional side override button is also available. Figure 7 shows a unit with the override button. NUMERICAL DISPLAY: The default display shows current temperature. When the slider setpoint is moved enough to change the setpoint by 0.5 degrees, the setpoint will be displayed for 3 to 4 seconds. The unit can also be set up to display setpoint only or for setpoint lockout. See Optional Technicians Adjustments on page 4 (Mode Menu P2). BAPI-MAN ICON: The BAPI-Man Icon shows the status of the room Solid for Occupied, Hollow for Unoccupied (Fig. 10). Note: The unit must receive a confirmation (ground) signal on the EXT OVR terminal for the BAPI-Man to remain visible on the screen. Pressing the Override button will light the BAPI-Man icon; however, if no confirmation signal is received, then the BAPI-Man will go blank (disappear) after 5 seconds. BAPI-Man Icon (See Figure 8) Fig 7. BAPI-Stat 4S with Display, Slider Setpoint, and Override Button Upon receiving a first confirmation (ground) signal on the EXT OVR terminal, the BAPI-Man will show occupied (Solid). The BAPI-Man will then show unoccupied (Hollow) whenever the confirmation signal is removed and occupied when the signal is returned. The only way to blank the BAPI-Man from the display at this point is to cycle power. SETPOINT: When the slide setpoint is moved enough to change the setpoint by 0.5 degrees, the setpoint will be displayed. Slide the setpoint up or down to the desired setpoint. OVERRIDE: When the override button is pressed, the BAPI-Man will be displayed as Solid for 3-5 seconds and the override output will shunt or short for 3 seconds depending on the override option selected. -N Option = Momentary Temperature Sensor Shunt to < 15Ω -P Option = Momentary Setpoint Shunt to <15Ω -J Option = Momentary Override as a Separate Shorting Contact Output on OVR1 & OVR2 -L# Option = Override as a Latching Switch (See Latching Override Operation on pg. 5.) Solid equals Occupied Engineering Units Override Button Temperature Display in.5 or.1 Increments Setpoint Slider Hollow equals Unoccupied Fig. 8: BAPI-Man Icon If the occupied input (EXT OVR) terminal is grounded, then the BAPI-Man will stay filled in, indicating an occupied state. If the input is open, then the BAPI-Man will revert to hollow, indicating unoccupied (or the icon will disappear completely if there has never been a ground on the EXT OVR terminal). 3 of 6

4 Optional Technician Adjustments (The sensor set-up is factory set per your order. Set-up adjustments are not required) The unit is shipped ready to install per the order and does not requires any special setup or programming. The following Setup or Program Menu Changes are available if the installer decides to change the factory settings. ENTERING PROGRAM MODE AND MAKING CHANGES: 1. Remove cover and install the shunt jumper across the J16 pins (see Fig. 9). 2. Use the Up and Down Switches on the back of the circuit board (Fig. 10) to advance to the parameter to adjust. (Moves up or down from page to page or from setting to setting.) 3. Use the Override button (or Enter Switch on the back of the circuit board if the unit is Fig. 9: J16 Program Jumper ordered without an Override, see Fig. 10) to select the menu parameter. This selects the currently displayed menu or selects the new parameter and stores it into memory. You can adjust and quit (remove J16) any time during this procedure. Be sure to press the Override button or Enter switch to store your selection or it will not be saved. MODE MENUS: The set-up mode consists of menu pages P0 through P4 for configuring the sensor. The following are the adjustments that can be done with the program jumper J16 installed. P0 - Temperature offset: (Changes the display only. An independent reference is recommended.) Use the Up and Down Switchs to adjust the temperature ±3º in.5º (F or C) increments. Push the Override button or Enter switch to store the offset value. P1 - ºF or ºC Display: Use the Up and Down Switches to select F or C display. Push the Override button or Enter switch to store the value. P2 - Display Options or Setpoint Lockout Options: SP = SPL = Setpoint Enabled (This is the default configuration). The unit displays the room temp except when the Setpoint is being adjusted by the Up and Down Pushbuttons. Setpoint Lockout. Disables the setpoint display but the setpoint slider operates normally. SDO = Setpoint Display Only. The unit only displays the setpoint, not the room temperature. SDN = Setpoint Display Disabled. Operates the same as the SPL mode described above. P3 - Latching Override Option: This selection only can be adjusted if you have ordered the Latching Override Option (-L#). This has selections 1-10 shown in Fig. 11 and described in the Latching Override Operation section on page 5. P4 - Temperature Increments - ºF or ºC: This selection adjusts the display resolution increments as.1º or.5º (in either F or C Mode) 0.1 = This will display all temperatures in 0.1 degree increments. 0.5 = This will display all temperatures in 0.5 degree increments. Non-Latching Override Operation Jumper Off - Run Mode Fig. 10: Setup Switch locations on the circuit board. Note: The Enter switch is only present if the unit is ordered without Override. Jumper On - Program Mode When the Override button is pressed, the BAPI-Man (Fig. 8) will be displayed as Solid for 3-5 seconds and the override output will shunt or short for 3 seconds depending on the override option selected. The various options are described below. -N Option = Momentary Temperature Sensor Shunt to < 15Ω -P Option = Momentary Setpoint Shunt to <15Ω -J Option = Momentary Override as a Separate Shorting Contact Output on OVR1 & OVR2 -L# Option = Override as a Latching Switch (See Latching Override Operation on pg. 5.) BAPI-MAN ICON: The BAPI-Man Icon shows the status of the room Solid for Occupied, Hollow for Unoccupied (Fig. 8). The unit must receive a confirmation (ground) signal on the EXT OVR terminal for the BAPI-Man to remain visible on the screen. Pressing the Override button will light the BAPI-Man icon; however, if no confirmation signal is received, then the BAPI-Man will go blank (disappear) after 5 seconds. Upon receiving a first confirmation (ground) signal on the EXT OVR terminal, the BAPI-Man will show occupied (Solid). The BAPI-Man will then show unoccupied (Hollow) whenever the confirmation signal is removed and occupied when the signal is returned. The only way to blank the BAPI-Man from the display at this point is to cycle power. Up Down Enter 4 of 6

5 Latching Override Operation In the Override as Latching Display Option (-L#), pressing the Override button closes the override relay contacts (Terminals OVR1 & OVR2). They will remain closed until the Override button is pressed again, then they will open and remain open until the Override button is pressed again. See Fig. 12 below for examples of Override as a Latching Switch circuits. Ten display options (Fig. 11) are available to indicate when the latching relay is open and when the latching relay is closed. BAPI-Man Icon On Options 2, 4, 6, 8 & 10, the BAPI-Man Icon is disabled and will not show on the display, even when the Override button is pushed. On Options 1, 3, 5 & 7, the BAPI-Man Icon is filled or solid for 3 to 5 seconds after the Override button is pushed, but it will only remain solid or filled when there is a ground signal to the EXT OVR terminal of the unit. For Option 9, the BAPI-Man Icon stays filled or solid when the relay is closed and hollow when the relay is open. For Option 10, the BAPI-Man Icon is disabled but the ON or OFF Dot on the display is controlled by the EXT OVR terminal. When there is a ground signal at the EXT OVR terminal, the ON dot is lit. Otherwise the OFF and hollow dot are lit. Note: The Override Terminals OVR1 and OVR2 are NOT latching in Option 10. These terminals close MOMENTARILY in this option. Latching Switch with External Load ANALOG OR DIGITAL INPUT OF CONTROLLER Latching Switch as Direct Controller Input Circuit Fig. 12: Latching Switch Wiring Diagrams In the Override as Latching Switch configuration, terminals OVR1 & OVR2 act as a latching switch with a maximum capacity of 24 VAC/VDC at 800 ma resistive. Pressing the Override button latches or unlatches the OVR1 & OVR2 terminals. These diagrams show how to wire the latching switch with an External Load and as a Direct Controller Input Fig. 11: Latching Switch Display Options The 10 Override as a Latching Switch display options are shown above for when the relay is open and when the relay is closed. Note 2: On Options 1, 3, 5 & 7, the BAPI-Man Icon is filled or solid for 3 to 5 seconds after the Override button is pushed, but it will only remain solid or filled when there is a ground signal to the EXT OVR terminal of the unit. 5 of 6

6 General Diagnostics POSSIBLE PROBLEM: Temperature reading is incorrect POSSIBLE SOLUTIONS: - Determine that the input is set up correctly in the controller s and building automation software. - Check wiring for proper termination - Check for corrosion at either the controller or the sensor. Clean off the corrosion, re-strip the interconnecting wire and reapply the connection. In extreme cases, replace the controller, interconnecting wire and/or sensor. - Label the terminals at the sensor end and the controller end. Disconnect the interconnecting wires from the controller and the sensor. With the wires separated at both ends, measure the resistance from wire-to-wire with a multimeter. The meter should read greater than 10 Meg-ohms, open or OL depending on the meter you have. Short the interconnecting wires together at one end. Go to the other end and measure the resistance from wire-to-wire with a multimeter. The meter should read less than 10 ohms (22 gauge or larger, 250 feet or less). If either test fails, replace the wire. - Determine that the temperature sensors wires are connected to the correct controller input terminals and are not loose. - Check the wires at the sensor for proper connections. - Measure the physical temperature at the temperature sensor s location using an accurate temperature standard. Disconnect the temperature sensor wires and measure the temperature sensor s resistance across the sensor output pins with an ohmmeter. Compare the temperature sensor s resistance to the appropriate temperature sensor table on the BAPI web site. If the measured resistance is different from the temperature table by more than 5% call BAPI technical support. Find BAPI s web site at click on the button labeled SENSORS on the left of the screen and then click on the type of sensor you have. Don t forget to reconnect the wires. - Make sure that the test and balance switch is in the correct position. - Make sure that the sensor leads are not touching Setpoint reading is incorrect Override is not working correctly - Make sure that the setpoint output is correct. Remove the setpoint output wire and check the output for the correct resistance or voltage output. See the product label for your specific range. Don t forget to reconnect the wire. - Check that the resistance across the override output is less than 5 ohms when the override switch is pushed. Specifications Power: 5 VDC, 15 to 40 VDC (24 VDC nominal) or 15 to 28 VAC (24 VAC nominal) for Resistive Setpoint Units Only 9 to 40 VDC (24VDC recommended) is required for 0 to 5V setpoint 15 to 40 VDC (24VDC recommended) is required for 0 to 10V setpoint AC power requires a separate pair of shielded wires Power Consumption: 7 ma max DC;.17 VA maximum AC Wiring: 22-14AWG Mounting: Standard 2 x 4 box or drywall direct (Screws provided) Outputs: Passive Sensor Thermistor, ±0.36ºF (±0.2ºC), [XP] ±0.18ºF (±0.1ºC) Platinum RTD, ±0.12%, [A] ±0.06% Nickel RTD, JCI curve External Sensor 10K-2 thermistor (-ES), (Purchased separately) Wired 25 maximum from sensor Setpoint Resistive or Voltage (0 to 10VDC limit) *Isolated Contact resistive Inputs: Dry contact (24V, <1mA) Occupied EXT OVR terminal Grounded Unoccupied EXT OVR terminal Open to Ground Display: LCD, Overall, 2 W x 1.1 H (Temp/Setpoint/Occupied) LCD 3.5 H BAPI-Man Icon Filled is occupied, Hollow is Unoccupied Display limits 0.1º (F/C) temp increments, Setpoints in 0.5º steps Display Setup Temp. & Setpoint, Temp. Only, or Setpoint Only Options: Factory set options Setpoint Slide POT Override Side button Override Operation: Factory Set Momentary shunt across sensor Momentary shunt across setpoint Momentary isolated contact* Latching isolated contact* Setup Options: Offset ±3º Temp Display Display in ºF or ºC Setpoint Resolution Other Options: Comm. jack Disabled or Setpoint display only Display in 0.1º or 0.5º increments 3.5mm phone jack, 3 wires, (-C35) RJ11 jack (-C11) or RJ22 jack (-C22), 4 wires Test & Balance 3 pos. switch (-TB), (Low/Normal/High) Common Gnd. Internal common connection (-CG) Differential Gnd. Each output terminal is isolated (-DF) Colored Plate Warm White (-WMW) or Gray (-GRY) Environmental Ambient: Temperature 32 to 122ºF (0 to 50ºC) Humidity 0 to 95% RH Non-condensing Encl. Material: ABS Plastic, UL94V-0 Agency: RoHS 6 of 6